CaratHunter
Plans
Round|Lab Grown|IGI

3.03ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG687553276

Shape and cutting style on the report: Round brilliant

Certificate IGI LG687553276

Diamond specifications and retailer prices

From £1,026 GBP
CA$1,910 CAD
As of October 30, 2026
Save £331 GBP (24%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,357 GBP at The Diamond Guys · As of November 1, 2026
View at The Diamond Guys

About this 3.03ct lab-grown round diamond

This 3.03ct lab-grown round sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG687553276 or 687553276. Listed at 5 retailers as of October 30, 2026, with prices from £1,026 to £1,357, a £331 spread on the same certified stone. The Diamond Guys lists it at £1,357. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG687553276
Dimensions9.20 × 9.14 × 5.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
9.20 mm9.14 mm3.03 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG687553276
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £470 GBP|Low: £331 GBP|High: £2,142 GBP|Avg: £927 GBP|-2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
October 18, 2026
Retailer 8£331 GBP
Retailer 1£470 GBP
Retailer 5£515 GBP
Retailer 11£625 GBP
Retailer 3£653 GBP
Retailer 10£663 GBP
Retailer 9£670 GBP
Retailer 2£805 GBP
Retailer 7£964 GBP
Retailer 12£1,026 GBP
Retailer 13£1,181 GBP
Retailer 6£1,317 GBP
The Diamond Guys£1,357 GBP
Retailer 4£2,142 GBP

5 data points across 14 retailers

5 retailers£1,026 GBP to £1,357 GBP

Retailer 1
-
£470 GBP
$630 USD
Price last confirmed 14 days ago
Retailer 2
-
£670 GBP
$898 USD
View
Price last confirmed 20 days ago
B
Retailer 3
-
£1,026 GBP
CA$1,910 CAD
View
Retailer 4
-
£1,317 GBP
$1,765 USD
View
Price last confirmed 14 days ago
Most Expensive
B
The Diamond Guys
1951062213 · Nov 1
£1,357 GBP
$1,818 USD
View
4 more retailers have this diamond
Prices start from £1,026 GBPSave up to £331 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
3.03ct Round
£1,026 GBP